InChI=1S/C26H28O11/c1-11(2)3-8-14-17(36-26-23(32)21(30)22(31)24(37-26)25(33)34)10-18-19(20(14)29)15(28)9-16(35-18)12-4-6-13(27)7-5-12/h3-7,10,16,21-24,26-27,29-32H,8-9H2,1-2H3,(H,33,34)